首先将源文件进行备份:
1 [zgw@localhost 桌面]$ sudo cp /etc/sysconfig/network-scripts/ifcfg-eno16777736 /etc/sysconfig/network-scripts/ifcfg-eno16777736.bak.zgw 2 [sudo] password for zgw:
编辑配置文件:
1 [zgw@localhost 桌面]$ sudo vi /etc/sysconfig/network-scripts/ifcfg-eno16777736
打开后如下所示:
1 TYPE=Ethernet 2 BOOTPROTO=dhcp 3 DEFROUTE=yes 4 PEERDNS=yes 5 PEERROUTES=yes 6 IPV4_FAILURE_FATAL=no 7 IPV6INIT=yes 8 IPV6_AUTOCONF=yes 9 IPV6_DEFROUTE=yes 10 IPV6_PEERDNS=yes 11 IPV6_PEERROUTES=yes 12 IPV6_FAILURE_FATAL=no 13 NAME=eno16777736 14 UUID=00c21c9b-6e66-4541-8240-4b1bd2fdcf07 15 DEVICE=eno16777736 16 ONBOOT=no
修改后如下:
1 TYPE=Ethernet 2 BOOTPROTO=static 3 DEFROUTE=yes 4 PEERDNS=yes 5 PEERROUTES=yes 6 IPV4_FAILURE_FATAL=no 7 IPV6INIT=no 8 IPV6_AUTOCONF=yes 9 IPV6_DEFROUTE=yes 10 IPV6_PEERDNS=yes 11 IPV6_PEERROUTES=yes 12 IPV6_FAILURE_FATAL=no 13 NAME=eno16777736 14 UUID=00c21c9b-6e66-4541-8240-4b1bd2fdcf07 15 DEVICE=eno16777736 16 ONBOOT=yes 17 IPADDR=192.168.89.11 #IP 18 NATMASK=255.255.255.0 #网关 19 GATEWAY=192.168.89.2 #子网掩码 20 DNS1=1.2.4.8 #DNS
常用的DNS地址:http://www.cnblogs.com/boyzgw/p/6651234.html
修改完成之后重启网卡服务:
1 [zgw@localhost 桌面]$ /etc/init.d/network restart 2 Restarting network (via systemctl): [ 确定 ]
查看并测试:
1 [zgw@localhost 桌面]$ ip addr 2 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN 3 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 4 inet 127.0.0.1/8 scope host lo 5 valid_lft forever preferred_lft forever 6 inet6 ::1/128 scope host 7 valid_lft forever preferred_lft forever 8 2: eno16777736: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 9 link/ether 00:0c:29:1e:41:ed brd ff:ff:ff:ff:ff:ff 10 inet 192.168.89.11/24 brd 192.168.89.255 scope global eno16777736 11 valid_lft forever preferred_lft forever 12 inet6 fe80::20c:29ff:fe1e:41ed/64 scope link 13 valid_lft forever preferred_lft forever 14 3: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN 15 link/ether 52:54:00:77:76:51 brd ff:ff:ff:ff:ff:ff 16 inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0 17 valid_lft forever preferred_lft forever 18 4: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast master virbr0 state DOWN qlen 500 19 link/ether 52:54:00:77:76:51 brd ff:ff:ff:ff:ff:ff 20 [zgw@localhost 桌面]$ ping www.baidu.com 21 PING www.a.shifen.com (220.181.111.188) 56(84) bytes of data. 22 64 bytes from 220.181.111.188: icmp_seq=1 ttl=128 time=59.1 ms 23 64 bytes from 220.181.111.188: icmp_seq=2 ttl=128 time=54.3 ms 24 64 bytes from 220.181.111.188: icmp_seq=3 ttl=128 time=72.5 ms 25 ^C64 bytes from 220.181.111.188: icmp_seq=4 ttl=128 time=157 ms 26 27 --- www.a.shifen.com ping statistics --- 28 4 packets transmitted, 4 received, 0% packet loss, time 30207ms 29 rtt min/avg/max/mdev = 54.341/85.961/157.819/42.021 ms 30 [zgw@localhost 桌面]$ ping www.hao123.com #万一百度打盹儿了呢 31 PING hao123.n.shifen.com (180.149.132.3) 56(84) bytes of data. 32 64 bytes from 180.149.132.3: icmp_seq=1 ttl=128 time=60.9 ms 33 64 bytes from 180.149.132.3: icmp_seq=2 ttl=128 time=43.4 ms 34 ^C64 bytes from 180.149.132.3: icmp_seq=3 ttl=128 time=165 ms 35 36 --- hao123.n.shifen.com ping statistics --- 37 3 packets transmitted, 3 received, 0% packet loss, time 20137ms 38 rtt min/avg/max/mdev = 43.477/90.098/165.833/54.027 ms 39 [zgw@localhost 桌面]$